// ========================================================================= //

// includes
#include "stdio.h"
#include "stdlib.h"
#include "time.h"
#include "string.h"
#include "limits.h"
#include "float.h"



#define JOTAI_NUM_RANDS_ 25

const unsigned rand_primes[JOTAI_NUM_RANDS_] = {179, 103, 479, 647, 229, 37, 271, 557, 263, 607, 18743, 50359, 21929, 48757, 98179, 12907, 52937, 64579, 49957, 52567, 507163, 149939, 412157, 680861, 757751};

int next_i() {
  int counter = 0;
  return rand_primes[(++counter)%JOTAI_NUM_RANDS_];
}

float next_f() {
  int counter = 0;
  return rand_primes[(++counter)%JOTAI_NUM_RANDS_] / 757751.0F;
} 


// Usage menu
void usage() {
    printf("%s", "Usage:\n\
    prog [ARGS]\n\
\nARGS:\n\
       0            big-arr\n\
       1            big-arr-10x\n\
       2            empty\n\
\n\
");

}


// ------------------------------------------------------------------------- //

#define NULL ((void*)0)
typedef unsigned long size_t;  // Customize by platform.
typedef long intptr_t; typedef unsigned long uintptr_t;
typedef long scalar_t__;  // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */
typedef  int u64 ;
struct ses_component {int addr; } ;
struct enclosure_component {int slot; struct ses_component* scratch; } ;
typedef  enum scsi_protocol { ____Placeholder_scsi_protocol } scsi_protocol ;

/* Variables and functions */
#define  SCSI_PROTOCOL_FCP 129 
#define  SCSI_PROTOCOL_SAS 128 

__attribute__((used)) static void ses_process_descriptor(struct enclosure_component *ecomp,
				   unsigned char *desc)
{
	int eip = desc[0] & 0x10;
	int invalid = desc[0] & 0x80;
	enum scsi_protocol proto = desc[0] & 0x0f;
	u64 addr = 0;
	int slot = -1;
	struct ses_component *scomp = ecomp->scratch;
	unsigned char *d;

	if (invalid)
		return;

	switch (proto) {
	case SCSI_PROTOCOL_FCP:
		if (eip) {
			d = desc + 4;
			slot = d[3];
		}
		break;
	case SCSI_PROTOCOL_SAS:
		if (eip) {
			d = desc + 4;
			slot = d[3];
			d = desc + 8;
		} else
			d = desc + 4;
		/* only take the phy0 addr */
		addr = (u64)d[12] << 56 |
			(u64)d[13] << 48 |
			(u64)d[14] << 40 |
			(u64)d[15] << 32 |
			(u64)d[16] << 24 |
			(u64)d[17] << 16 |
			(u64)d[18] << 8 |
			(u64)d[19];
		break;
	default:
		/* FIXME: Need to add more protocols than just SAS */
		break;
	}
	ecomp->slot = slot;
	scomp->addr = addr;
}

// ------------------------------------------------------------------------- //

int main(int argc, char *argv[]) {

    if (argc != 2) {
        usage();
        return 1;
    }

    int opt = atoi(argv[1]);
    switch(opt) {


    // big-arr
    case 0:
    {
          // static_instructions_O0 : 26
          // dynamic_instructions_O0 : 26
          // ------------------------------- 
          // static_instructions_O1 : 6
          // dynamic_instructions_O1 : 6
          // ------------------------------- 
          // static_instructions_O2 : 6
          // dynamic_instructions_O2 : 6
          // ------------------------------- 
          // static_instructions_O3 : 6
          // dynamic_instructions_O3 : 6
          // ------------------------------- 
          // static_instructions_Ofast : 6
          // dynamic_instructions_Ofast : 6
          // ------------------------------- 
          // static_instructions_Os : 6
          // dynamic_instructions_Os : 6
          // ------------------------------- 
          // static_instructions_Oz : 6
          // dynamic_instructions_Oz : 6
          // ------------------------------- 

          int _len_ecomp0 = 65025;
          struct enclosure_component * ecomp = (struct enclosure_component *) malloc(_len_ecomp0*sizeof(struct enclosure_component));
          for(int _i0 = 0; _i0 < _len_ecomp0; _i0++) {
              ecomp[_i0].slot = ((-2 * (next_i()%2)) + 1) * next_i();
          int _len_ecomp__i0__scratch0 = 1;
          ecomp[_i0].scratch = (struct ses_component *) malloc(_len_ecomp__i0__scratch0*sizeof(struct ses_component));
          for(int _j0 = 0; _j0 < _len_ecomp__i0__scratch0; _j0++) {
              ecomp[_i0].scratch->addr = ((-2 * (next_i()%2)) + 1) * next_i();
        
          }
        
          }
        
          int _len_desc0 = 65025;
          unsigned char * desc = (unsigned char *) malloc(_len_desc0*sizeof(unsigned char));
          for(int _i0 = 0; _i0 < _len_desc0; _i0++) {
            desc[_i0] = ((-2 * (next_i()%2)) + 1) * next_i();
          }
        
          ses_process_descriptor(ecomp,desc);
          for(int _aux = 0; _aux < _len_ecomp0; _aux++) {
          free(ecomp[_aux].scratch);
          }
          free(ecomp);
          free(desc);
        
        break;
    }


    // big-arr-10x
    case 1:
    {
          // static_instructions_O0 : 26
          // dynamic_instructions_O0 : 26
          // ------------------------------- 
          // static_instructions_O1 : 6
          // dynamic_instructions_O1 : 6
          // ------------------------------- 
          // static_instructions_O2 : 6
          // dynamic_instructions_O2 : 6
          // ------------------------------- 
          // static_instructions_O3 : 6
          // dynamic_instructions_O3 : 6
          // ------------------------------- 
          // static_instructions_Ofast : 6
          // dynamic_instructions_Ofast : 6
          // ------------------------------- 
          // static_instructions_Os : 6
          // dynamic_instructions_Os : 6
          // ------------------------------- 
          // static_instructions_Oz : 6
          // dynamic_instructions_Oz : 6
          // ------------------------------- 

          int _len_ecomp0 = 100;
          struct enclosure_component * ecomp = (struct enclosure_component *) malloc(_len_ecomp0*sizeof(struct enclosure_component));
          for(int _i0 = 0; _i0 < _len_ecomp0; _i0++) {
              ecomp[_i0].slot = ((-2 * (next_i()%2)) + 1) * next_i();
          int _len_ecomp__i0__scratch0 = 1;
          ecomp[_i0].scratch = (struct ses_component *) malloc(_len_ecomp__i0__scratch0*sizeof(struct ses_component));
          for(int _j0 = 0; _j0 < _len_ecomp__i0__scratch0; _j0++) {
              ecomp[_i0].scratch->addr = ((-2 * (next_i()%2)) + 1) * next_i();
        
          }
        
          }
        
          int _len_desc0 = 100;
          unsigned char * desc = (unsigned char *) malloc(_len_desc0*sizeof(unsigned char));
          for(int _i0 = 0; _i0 < _len_desc0; _i0++) {
            desc[_i0] = ((-2 * (next_i()%2)) + 1) * next_i();
          }
        
          ses_process_descriptor(ecomp,desc);
          for(int _aux = 0; _aux < _len_ecomp0; _aux++) {
          free(ecomp[_aux].scratch);
          }
          free(ecomp);
          free(desc);
        
        break;
    }


    // empty
    case 2:
    {
          // static_instructions_O0 : 26
          // dynamic_instructions_O0 : 26
          // ------------------------------- 
          // static_instructions_O1 : 6
          // dynamic_instructions_O1 : 6
          // ------------------------------- 
          // static_instructions_O2 : 6
          // dynamic_instructions_O2 : 6
          // ------------------------------- 
          // static_instructions_O3 : 6
          // dynamic_instructions_O3 : 6
          // ------------------------------- 
          // static_instructions_Ofast : 6
          // dynamic_instructions_Ofast : 6
          // ------------------------------- 
          // static_instructions_Os : 6
          // dynamic_instructions_Os : 6
          // ------------------------------- 
          // static_instructions_Oz : 6
          // dynamic_instructions_Oz : 6
          // ------------------------------- 

          int _len_ecomp0 = 1;
          struct enclosure_component * ecomp = (struct enclosure_component *) malloc(_len_ecomp0*sizeof(struct enclosure_component));
          for(int _i0 = 0; _i0 < _len_ecomp0; _i0++) {
              ecomp[_i0].slot = ((-2 * (next_i()%2)) + 1) * next_i();
          int _len_ecomp__i0__scratch0 = 1;
          ecomp[_i0].scratch = (struct ses_component *) malloc(_len_ecomp__i0__scratch0*sizeof(struct ses_component));
          for(int _j0 = 0; _j0 < _len_ecomp__i0__scratch0; _j0++) {
              ecomp[_i0].scratch->addr = ((-2 * (next_i()%2)) + 1) * next_i();
        
          }
        
          }
        
          int _len_desc0 = 1;
          unsigned char * desc = (unsigned char *) malloc(_len_desc0*sizeof(unsigned char));
          for(int _i0 = 0; _i0 < _len_desc0; _i0++) {
            desc[_i0] = ((-2 * (next_i()%2)) + 1) * next_i();
          }
        
          ses_process_descriptor(ecomp,desc);
          for(int _aux = 0; _aux < _len_ecomp0; _aux++) {
          free(ecomp[_aux].scratch);
          }
          free(ecomp);
          free(desc);
        
        break;
    }

    default:
        usage();
        break;

    }

    return 0;
}
